cs-lab34/text.cpp

#include <iostream>
#include <vector>
#include "text.h"
using namespace std;

const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

void show_histogram_text(const std::vector<size_t> bins, size_t bin_count)
{
    size_t max_count = bins[0];
    for(size_t x : bins)
    {
        if(x > max_count)
        {
            max_count = x;
        }
    }
    for(size_t i = 0;i<bin_count;i++){
    size_t height = bins[i];
    printf("%3d:", bins[i]);
    if(max_count > MAX_ASTERISK)
    height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
    for(size_t j = 0;j<height;j++)
    {
        cout<<"*";
    }
    cout<<endl;
    }
}